On Wed, 6 Jan 2010, Johan Vromans wrote:
...
> > if (/$partbody_boundary/) {
>
> The variable may contain characters that have a special meaning when
> used inside a pattern.
>
> You can use either:
>
> $partbody_boundary = quotemeta($partbody_boundary);
> if ( /$partbody_boundary/ )
>
> or
>
> if ( /\Q$partbody_boundary\E/ )
>
> This will 'quote' the potential special characters so they only match
> themselves.
Or, probably better, just use:
if ( index($_,$partbody_boundary) >= $[ )
One would expect index to be faster, eventhough regex are likely
sufficiently optimized, but we also save on transforming the string with
\Q, and compiling it as an regex.
--Vlado
